[1] cotton F A, Francis R . J Am Chem Soc, 1960, 82: 2986
[2] Shukla J P, Pai S A, Subramanian M S . Sep Sci Technol, 1979, 14(10): 883
[3] Yang Y Z, Sun G X, Bao B R et al . Nucl Sci Techn, 1998, 9(3): 163
[4] Chakravortty , Dash K C, Mohanty S R . Radiochimica Acta, 1986, 40: 89
[5] Yang Y Z, Sun S X . J Radioanal Nucl Chem, 2000, 246: 259
[6] Yuan C Y, Long H Y, Ma E X et al . Proceedings of the international solvent extraction conference ISEC’83 , 439
[7] Yang Y Z, Yang Y H, Xong J et al . J Radioanal Nucl Chem, 1999, 241: 235
[8] Lapkim I I, Zelenina N S . Zh org khim (in Russian), 1967, 3: 2009
[9] Yuan C Y, Long H Y, Ma E X et al . Chin sci B (in Chinese), 1984, (3): 193
[10] Dong L Y . Analytical chemistry of uranium (in Chinese), Beijing : Atomic Energy Publishing House , 1982, 158
[11] Gao Z L, Sun S X, Shen J L . Solvent extraction chemistry (in Chinese), Beijing : Science Publishing House , 1991, 65
[12] Zhu G H, Zhang X Z . Energy Sci Technol (in Chinese), 1983, (4): 451
